<template>
  <div class="image-wrapper" @mouseenter="showDeleteBtn = true" @mouseleave="showDeleteBtn = false">
    <el-image
      :src="`${realSrc}`"
      fit="cover"
      :style="`width:${realWidth};height:${realHeight};`"
      :preview-src-list="realSrcList"
    >
      <div slot="error" class="image-slot">
        <i class="el-icon-picture-outline"></i>
        <!--      <el-image :src="require('@/assets/logo/llshs-logo.png')" />-->
      </div>
      <!-- 删除按钮 -->
    </el-image>
    <div v-if="canDelete && showDeleteBtn" class="delete-btn" @click="handleDelete">
      <i class="el-icon-close"></i>
    </div>
  </div>
</template>

<script>
import { isExternal } from '@/utils/validate'

export default {
  name: 'ImagePreview',
  props: {
    src: {
      type: String,
      default: ''
    },
    width: {
      type: [Number, String],
      default: ''
    },
    height: {
      type: [Number, String],
      default: ''
    },
    canDelete: {
      type: Boolean,
      default: false
    }
  },
  computed: {
    realSrc() {
      if (!this.src) {
        return
      }
      let real_src = this.src.split(',')[0]
      if (isExternal(real_src)) {
        return real_src
      }
      return process.env.VUE_APP_BASE_API + real_src
    },
    realSrcList() {
      if (!this.src) {
        return
      }
      let real_src_list = this.src.split(',')
      let srcList = []
      real_src_list.forEach(item => {
        if (isExternal(item)) {
          return srcList.push(item)
        }
        return srcList.push(process.env.VUE_APP_BASE_API + item)
      })
      return srcList
    },
    realWidth() {
      return typeof this.width == 'string' ? this.width : `${this.width}px`
    },
    realHeight() {
      return typeof this.height == 'string' ? this.height : `${this.height}px`
    }
  },
  data() {
    return {
      showDeleteBtn: false
    }
  },
  methods: {
    handleDelete() {
      this.$emit('remove')
    }
  }
}
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;

  ::v-deep .el-image__inner {
    transition: all 0.3s;
    cursor: pointer;

    &:hover {
      transform: scale(1.2);
    }
  }

  ::v-deep .image-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}

.image-wrapper {
  position: relative;
  display: inline-block;
}

/* 删除按钮样式 */
.delete-btn {
  position: absolute;
  top: -10px; /* 根据需要调整距离顶部的距离 */
  right: -10px; /* 根据需要调整距离右侧的距离 */
  background-color: hsla(0, 0%, 60%, .6); /* 红色半透明背景 */
  border-radius: 50%; /* 圆形 */
  width: 24px;
  height: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  cursor: pointer;
  z-index: 10; /* 确保按钮位于图片之上 */
}

.delete-btn i {
  font-size: 16px; /* 根据需要调整图标的大小 */
}
</style>
